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Squarcina A, Franke A, Senft L, Onderka C, Langer J, Vignane T, Filipovic MR, Grill P, Michalke B, Ivanović-Burmazović I. Zinc complexes of chloroquine and hydroxychloroquine versus the mixtures of their components: Structures, solution equilibria/speciation and cellular zinc uptake. J Inorg Biochem 2024; 252:112478. [PMID: 38218140 DOI: 10.1016/j.jinorgbio.2024.112478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/22/2023] [Accepted: 01/02/2024] [Indexed: 01/15/2024]
Abstract
The zinc complexes of chloroquine (CQ; [Zn(CQH+)Cl3]) and hydroxychloroquine (HO-CQ; [Zn(HO-CQH+)Cl3]) were synthesized and characterized by X-Ray structure analysis, FT-IR, NMR, UV-Vis spectroscopy, and cryo-spray mass spectrometry in solid state as well as in aqueous and organic solvent solutions, respectively. In acetonitrile, up to two Zn2+ ions bind to CQ and HO-CQ through the tertiary amine and aromatic nitrogen atoms (KN-aminCQ = (3.8 ± 0.5) x 104 M-1 and KN-aromCQ = (9.0 ± 0.7) x 103 M-1 for CQ, and KN-aminHO-CQ = (3.3 ± 0.4) x 104 M-1 and KN-aromHO-CQ = (1.6 ± 0.2) x 103 M-1 for HO-CQ). In MOPS buffer (pH 7.4) the coordination proceeds through the partially deprotonated aromatic nitrogen, with the corresponding equilibrium constants of KN-arom(aq)CQ = (3.9 ± 1.9) x 103 M-1and KN-arom(aq)HO-CQ = (0.7 + 0.4) x 103 M-1 for CQ and HO-CQ, respectively. An apparent partition coefficient of 0.22 was found for [Zn(CQH+)Cl3]. Mouse embryonic fibroblast (MEF) cells were treated with pre-synthesized [Zn((HO-)CQH+)Cl3] complexes and corresponding ZnCl2/(HO-)CQ mixtures and zinc uptake was determined by application of the fluorescence probe and ICP-OES measurements. Administration of pre-synthesized complexes led to higher total zinc levels than those obtained upon administration of the related zinc/(hydroxy)chloroquine mixtures. The differences in the zinc uptake between these two types of formulations were discussed in terms of different speciation and character of the complexes. The obtained results suggest that intact zinc complexes may exhibit biological effects distinct from that of the related zinc/ligand mixtures.
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Affiliation(s)
- Andrea Squarcina
- Department of Chemistry, Ludwig-Maximilians Universität (LMU) München, München 81377, Germany
| | - Alicja Franke
- Department of Chemistry, Ludwig-Maximilians Universität (LMU) München, München 81377, Germany
| | - Laura Senft
- Department of Chemistry, Ludwig-Maximilians Universität (LMU) München, München 81377, Germany
| | - Constantin Onderka
- Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Jens Langer
- Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Thibaut Vignane
- Leibniz Institute for Analytical Sciences, ISAS e.V., 44227 Dortmund, Germany
| | - Milos R Filipovic
- Leibniz Institute for Analytical Sciences, ISAS e.V., 44227 Dortmund, Germany
| | - Peter Grill
- Research Unit Analytical BioGeoChemistry, Helmholtz Center Munich, 85764 Neuherberg, Germany
| | - Bernhard Michalke
- Research Unit Analytical BioGeoChemistry, Helmholtz Center Munich, 85764 Neuherberg, Germany
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Peng YJ, Nanduri J, Wang N, Kumar GK, Bindokas V, Paul BD, Chen X, Fox AP, Vignane T, Filipovic MR, Prabhakar NR. Hypoxia sensing requires H 2S-dependent persulfidation of olfactory receptor 78. Sci Adv 2023; 9:eadf3026. [PMID: 37406126 PMCID: PMC10321732 DOI: 10.1126/sciadv.adf3026] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 05/31/2023] [Indexed: 07/07/2023]
Abstract
Oxygen (O2) sensing by the carotid body is critical for maintaining cardiorespiratory homeostasis during hypoxia. Hydrogen sulfide (H2S) signaling is implicated in carotid body activation by low O2. Here, we show that persulfidation of olfactory receptor 78 (Olfr78) by H2S is an integral component of carotid body activation by hypoxia. Hypoxia and H2S increased persulfidation in carotid body glomus cells and persulfidated cysteine240 in Olfr78 protein in heterologous system. Olfr78 mutants manifest impaired carotid body sensory nerve, glomus cell, and breathing responses to H2S and hypoxia. Glomus cells are positive for GOlf, adenylate cyclase 3 (Adcy3) and cyclic nucleotide-gated channel alpha 2 (Cnga2), key molecules of odorant receptor signaling. Adcy3 or Cnga2 mutants exhibited impaired carotid body and glomus cell responses to H2S and breathing responses to hypoxia. These results suggest that H2S through redox modification of Olfr78 participates in carotid body activation by hypoxia to regulate breathing.
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Affiliation(s)
- Ying-Jie Peng
- Institute for Integrative Physiology, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Jayasri Nanduri
- Institute for Integrative Physiology, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Ning Wang
- Institute for Integrative Physiology, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Ganesh K Kumar
- Institute for Integrative Physiology, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Vytautas Bindokas
- Department of Physiology and Pharmacological Sciences, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Bindu D Paul
- Department of Pharmacology, The Johns Hopkins University, Baltimore, MD, USA
| | - Xuanmao Chen
- Department of Molecular, Cellular and Biomedical Sciences, College of Life Sciences and Agriculture, University of New Hampshire, Durham, NH USA
| | - Aaron P Fox
- Department of Physiology and Pharmacological Sciences, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Thibaut Vignane
- Leibniz-Institut für Analytische Wissenschaften-ISAS, Bunsen-Kirchhoff-Straße, 1144139 Dortmund, Germany
| | - Milos R Filipovic
- Leibniz-Institut für Analytische Wissenschaften-ISAS, Bunsen-Kirchhoff-Straße, 1144139 Dortmund, Germany
| | - Nanduri R Prabhakar
- Institute for Integrative Physiology, Biological Sciences Division, University of Chicago, Chicago, IL, USA
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Abstract
Significance: Protein persulfidation (the formation of RSSH), an evolutionarily conserved oxidative posttranslational modification in which thiol groups in cysteine residues are converted into persulfides, has emerged as one of the main mechanisms through which hydrogen sulfide (H2S) conveys its signaling. Recent Advances: New methodological advances in persulfide labeling started unraveling the chemical biology of this modification and its role in (patho)physiology. Some of the key metabolic enzymes are regulated by persulfidation. RSSH levels are important for the cellular defense against oxidative injury, and they decrease with aging, leaving proteins vulnerable to oxidative damage. Persulfidation is dysregulated in many diseases. Critical Issues: A relatively new field of signaling by protein persulfidation still has many unanswered questions: the mechanism(s) of persulfide formation and transpersulfidation and the identification of "protein persulfidases," the improvement of methods to monitor RSSH changes and identify protein targets, and understanding the mechanisms through which this modification controls important (patho)physiological functions. Future Directions: Deep mechanistic studies using more selective and sensitive RSSH labeling techniques will provide high-resolution structural, functional, quantitative, and spatiotemporal information on RSSH dynamics and help with better understanding how H2S-derived protein persulfidation affects protein structure and function in health and disease. This knowledge could pave the way for targeted drug design for a wide variety of pathologies. Antioxid. Redox Signal. 39, 19-39.
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Affiliation(s)
- Thibaut Vignane
- Leibniz Institute for Analytical Sciences, ISAS e.V., Dortmund, Germany
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García-Calderón M, Vignane T, Filipovic MR, Ruiz MT, Romero LC, Márquez AJ, Gotor C, Aroca A. Persulfidation protects from oxidative stress under nonphotorespiratory conditions in Arabidopsis. New Phytol 2023; 238:1431-1445. [PMID: 36840421 DOI: 10.1111/nph.18838] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 02/18/2023] [Indexed: 06/18/2023]
Abstract
Hydrogen sulfide is a signaling molecule in plants that regulates essential biological processes through protein persulfidation. However, little is known about sulfide-mediated regulation in relation to photorespiration. Here, we performed label-free quantitative proteomic analysis and observed a high impact on protein persulfidation levels when plants grown under nonphotorespiratory conditions were transferred to air, with 98.7% of the identified proteins being more persulfidated under suppressed photorespiration. Interestingly, a higher level of reactive oxygen species (ROS) was detected under nonphotorespiratory conditions. Analysis of the effect of sulfide on aspects associated with non- or photorespiratory growth conditions has demonstrated that it protects plants grown under suppressed photorespiration. Thus, sulfide amends the imbalance of carbon/nitrogen and restores ATP levels to concentrations like those of air-grown plants; balances the high level of ROS in plants under nonphotorespiratory conditions to reach a cellular redox state similar to that in air-grown plants; and regulates stomatal closure, to decrease the high guard cell ROS levels and induce stomatal aperture. In this way, sulfide signals the CO2 -dependent stomata movement, in the opposite direction of the established abscisic acid-dependent movement. Our findings suggest that the high persulfidation level under suppressed photorespiration reveals an essential role of sulfide signaling under these conditions.
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Affiliation(s)
- Margarita García-Calderón
- Departamento de Bioquímica Vegetal y Biología Molecular, Universidad de Sevilla, Prof. García González 1, 41012, Sevilla, Spain
| | - Thibaut Vignane
- Leibniz Institute for Analytical Sciences, ISAS e.V., 44227, Dortmund, Germany
| | - Milos R Filipovic
- Leibniz Institute for Analytical Sciences, ISAS e.V., 44227, Dortmund, Germany
| | - M Teresa Ruiz
- Instituto de Bioquímica Vegetal y Fotosíntesis (Universidad de Sevilla, Consejo Superior de Investigaciones Científicas), Américo Vespucio 49, 41092, Sevilla, Spain
| | - Luis C Romero
- Instituto de Bioquímica Vegetal y Fotosíntesis (Universidad de Sevilla, Consejo Superior de Investigaciones Científicas), Américo Vespucio 49, 41092, Sevilla, Spain
| | - Antonio J Márquez
- Departamento de Bioquímica Vegetal y Biología Molecular, Universidad de Sevilla, Prof. García González 1, 41012, Sevilla, Spain
| | - Cecilia Gotor
- Instituto de Bioquímica Vegetal y Fotosíntesis (Universidad de Sevilla, Consejo Superior de Investigaciones Científicas), Américo Vespucio 49, 41092, Sevilla, Spain
| | - Angeles Aroca
- Departamento de Bioquímica Vegetal y Biología Molecular, Universidad de Sevilla, Prof. García González 1, 41012, Sevilla, Spain
- Instituto de Bioquímica Vegetal y Fotosíntesis (Universidad de Sevilla, Consejo Superior de Investigaciones Científicas), Américo Vespucio 49, 41092, Sevilla, Spain
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Petrovic D, Kouroussis E, Vignane T, Filipovic MR. The Role of Protein Persulfidation in Brain Aging and Neurodegeneration. Front Aging Neurosci 2021; 13:674135. [PMID: 34248604 PMCID: PMC8261153 DOI: 10.3389/fnagi.2021.674135] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 05/24/2021] [Indexed: 01/01/2023] Open
Abstract
Hydrogen sulfide (H2S), originally considered a toxic gas, is now a recognized gasotransmitter. Numerous studies have revealed the role of H2S as a redox signaling molecule that controls important physiological/pathophysiological functions. The underlying mechanism postulated to serve as an explanation of these effects is protein persulfidation (P-SSH, also known as S-sulfhydration), an oxidative posttranslational modification of cysteine thiols. Protein persulfidation has remained understudied due to its instability and chemical reactivity similar to other cysteine modifications, making it very difficult to selectively label. Recent developments of persulfide labeling techniques have started unraveling the role of this modification in (patho)physiology. PSSH levels are important for the cellular defense against oxidative injury, albeit they decrease with aging, leaving proteins vulnerable to oxidative damage. Aging is one of the main risk factors for many neurodegenerative diseases. Persulfidation has been shown to be dysregulated in Parkinson's, Alzheimer's, Huntington's disease, and Spinocerebellar ataxia 3. This article reviews the latest discoveries that link protein persulfidation, aging and neurodegeneration, and provides future directions for this research field that could result in development of targeted drug design.
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Affiliation(s)
- Dunja Petrovic
- Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V., Dortmund, Germany
| | - Emilia Kouroussis
- Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V., Dortmund, Germany
| | - Thibaut Vignane
- Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V., Dortmund, Germany
| | - Milos R Filipovic
- Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V., Dortmund, Germany
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Doll S, Freitas FP, Shah R, Aldrovandi M, da Silva MC, Ingold I, Goya Grocin A, Xavier da Silva TN, Panzilius E, Scheel CH, Mourão A, Buday K, Sato M, Wanninger J, Vignane T, Mohana V, Rehberg M, Flatley A, Schepers A, Kurz A, White D, Sauer M, Sattler M, Tate EW, Schmitz W, Schulze A, O'Donnell V, Proneth B, Popowicz GM, Pratt DA, Angeli JPF, Conrad M. FSP1 is a glutathione-independent ferroptosis suppressor. Nature 2019; 575:693-698. [PMID: 31634899 DOI: 10.1038/s41586-019-1707-0] [Citation(s) in RCA: 1487] [Impact Index Per Article: 297.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 10/09/2019] [Indexed: 02/07/2023]
Abstract
Ferroptosis is an iron-dependent form of necrotic cell death marked by oxidative damage to phospholipids1,2. To date, ferroptosis has been thought to be controlled only by the phospholipid hydroperoxide-reducing enzyme glutathione peroxidase 4 (GPX4)3,4 and radical-trapping antioxidants5,6. However, elucidation of the factors that underlie the sensitivity of a given cell type to ferroptosis7 is crucial to understand the pathophysiological role of ferroptosis and how it may be exploited for the treatment of cancer. Although metabolic constraints8 and phospholipid composition9,10 contribute to ferroptosis sensitivity, no cell-autonomous mechanisms have been identified that account for the resistance of cells to ferroptosis. Here we used an expression cloning approach to identify genes in human cancer cells that are able to complement the loss of GPX4. We found that the flavoprotein apoptosis-inducing factor mitochondria-associated 2 (AIFM2) is a previously unrecognized anti-ferroptotic gene. AIFM2, which we renamed ferroptosis suppressor protein 1 (FSP1) and which was initially described as a pro-apoptotic gene11, confers protection against ferroptosis elicited by GPX4 deletion. We further demonstrate that the suppression of ferroptosis by FSP1 is mediated by ubiquinone (also known as coenzyme Q10, CoQ10): the reduced form, ubiquinol, traps lipid peroxyl radicals that mediate lipid peroxidation, whereas FSP1 catalyses the regeneration of CoQ10 using NAD(P)H. Pharmacological targeting of FSP1 strongly synergizes with GPX4 inhibitors to trigger ferroptosis in a number of cancer entities. In conclusion, the FSP1-CoQ10-NAD(P)H pathway exists as a stand-alone parallel system, which co-operates with GPX4 and glutathione to suppress phospholipid peroxidation and ferroptosis.
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Affiliation(s)
- Sebastian Doll
- Institute of Developmental Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Florencio Porto Freitas
- Rudolf Virchow Center for Experimental Biomedicine, University of Würzburg, Würzburg, Germany
| | - Ron Shah
- Department of Chemistry & Biomolecular Sciences, University of Ottawa, Ottawa, ON, Canada
| | - Maceler Aldrovandi
- Institute of Developmental Genetics, Helmholtz Zentrum München, Neuherberg, Germany
- Systems Immunity Research Institute, School of Medicine, Cardiff University, Cardiff, UK
| | | | - Irina Ingold
- Institute of Developmental Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Andrea Goya Grocin
- Molecular Sciences Research Hub, Department of Chemistry, Imperial College London, London, UK
| | | | - Elena Panzilius
- Institute of Stem Cell Biology, Helmholtz Zentrum München, Neuherberg, Germany
| | - Christina H Scheel
- Institute of Stem Cell Biology, Helmholtz Zentrum München, Neuherberg, Germany
- Clinic for Dermatology, St Josef Hospital Bochum, University of Bochum, Bochum, Germany
| | - André Mourão
- Institute of Structural Biology, Helmholtz Zentrum München, Neuherberg, Germany
| | - Katalin Buday
- Institute of Developmental Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Mami Sato
- Institute of Developmental Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Jonas Wanninger
- Institute of Developmental Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Thibaut Vignane
- Institute of Developmental Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Vaishnavi Mohana
- Institute of Developmental Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Markus Rehberg
- Institute of Lung Biology and Disease, Helmholtz Zentrum München, Neuherberg, Germany
| | - Andrew Flatley
- Monoclonal Antibody Core Facility, Helmholtz Zentrum München, Neuherberg, Germany
| | - Aloys Schepers
- Monoclonal Antibody Core Facility, Helmholtz Zentrum München, Neuherberg, Germany
| | - Andreas Kurz
- Department of Biotechnology & Biophysics, Biocenter, University of Würzburg, Würzburg, Germany
| | - Daniel White
- Systems Immunity Research Institute, School of Medicine, Cardiff University, Cardiff, UK
| | - Markus Sauer
- Department of Biotechnology & Biophysics, Biocenter, University of Würzburg, Würzburg, Germany
| | - Michael Sattler
- Institute of Structural Biology, Helmholtz Zentrum München, Neuherberg, Germany
| | - Edward William Tate
- Molecular Sciences Research Hub, Department of Chemistry, Imperial College London, London, UK
| | - Werner Schmitz
- Department of Biochemistry and Molecular Biology, Theodor Boveri Institute, Biocenter, University of Würzburg, Würzburg, Germany
| | - Almut Schulze
- Department of Biochemistry and Molecular Biology, Theodor Boveri Institute, Biocenter, University of Würzburg, Würzburg, Germany
| | - Valerie O'Donnell
- Systems Immunity Research Institute, School of Medicine, Cardiff University, Cardiff, UK
| | - Bettina Proneth
- Institute of Developmental Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Grzegorz M Popowicz
- Institute of Structural Biology, Helmholtz Zentrum München, Neuherberg, Germany
| | - Derek A Pratt
- Department of Chemistry & Biomolecular Sciences, University of Ottawa, Ottawa, ON, Canada
| | | | - Marcus Conrad
- Institute of Developmental Genetics, Helmholtz Zentrum München, Neuherberg, Germany.
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